The isDigit, isLetter, and isLetterOrDigit methods are members of this class. a. String b. Char c. Character d. StringBuilder

Question

Want to see more full solutions like this?

Answer 1

Textbook Question

Chapter 9, Problem 1MC

The isDigit, isLetter, and isLetterOrDigit methods are members of this class.

a. String
b. Char
c. Character
d. StringBuilder

Expert Solution & Answer

Program Description Answer

Methods of the class:

The methods “isDigit”, “isLetter”and “isLetterOrDigit” are some of the members of the class “Character”.

Hence, the correct answer is option “C”.

Explanation of Solution

Character class:

A wrapper class that is used for the char data type is called as “Character” class.
It contains various method for testing and converting the data that is of character type.
The character is a part of “java.lang” package and it does not needed to be imported for using the class.
It contains various static methods for testing the value of the character variables.

Reason for the incorrect answers:

String:

The class is used to represent character of strings.

Hence, the option “A” is wrong.

Char:

“char” is considered as the data type but not the class.

Hence, the option “B” is wrong.

StringBuilder:

The class is used to create a changeable strings and it is similar to String objects.

Hence, the option “D” is wrong.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Students have asked these similar questions

Please original work In the progression from raw data to actionable knowledge, business analysts play a crucial role in transforming and interpreting data to support strategic decision-making. What do you think are the most important skills a business analyst needs to effectively navigate the transition from data to information and then to knowledge? How can organizations ensure that analysts are equipped to extract meaningful insights that drive informed decisions? Share examples or insights from your own experiences or studies. Please cite in text references and add weblinks

Research enterprise network services commonly performed by Linux servers. Choose 3 and describe their function, as well as why they are typically set up on Linux machines.

The term color tone refers to the "temperature" of a photo. Question 17Select one: True False

Answer 2

Textbook Question

Chapter 9, Problem 1MC

The isDigit, isLetter, and isLetterOrDigit methods are members of this class.

a. String
b. Char
c. Character
d. StringBuilder

Expert Solution & Answer

Program Description Answer

Methods of the class:

The methods “isDigit”, “isLetter”and “isLetterOrDigit” are some of the members of the class “Character”.

Hence, the correct answer is option “C”.

Explanation of Solution

Character class:

A wrapper class that is used for the char data type is called as “Character” class.
It contains various method for testing and converting the data that is of character type.
The character is a part of “java.lang” package and it does not needed to be imported for using the class.
It contains various static methods for testing the value of the character variables.

Reason for the incorrect answers:

String:

The class is used to represent character of strings.

Hence, the option “A” is wrong.

Char:

“char” is considered as the data type but not the class.

Hence, the option “B” is wrong.

StringBuilder:

The class is used to create a changeable strings and it is similar to String objects.

Hence, the option “D” is wrong.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 3

Textbook Question

Chapter 9, Problem 1MC

The isDigit, isLetter, and isLetterOrDigit methods are members of this class.

a. String
b. Char
c. Character
d. StringBuilder

Expert Solution & Answer

Program Description Answer

Methods of the class:

The methods “isDigit”, “isLetter”and “isLetterOrDigit” are some of the members of the class “Character”.

Hence, the correct answer is option “C”.

Explanation of Solution

Character class:

A wrapper class that is used for the char data type is called as “Character” class.
It contains various method for testing and converting the data that is of character type.
The character is a part of “java.lang” package and it does not needed to be imported for using the class.
It contains various static methods for testing the value of the character variables.

Reason for the incorrect answers:

String:

The class is used to represent character of strings.

Hence, the option “A” is wrong.

Char:

“char” is considered as the data type but not the class.

Hence, the option “B” is wrong.

StringBuilder:

The class is used to create a changeable strings and it is similar to String objects.

Hence, the option “D” is wrong.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 4

Textbook Question

Chapter 9, Problem 1MC

The isDigit, isLetter, and isLetterOrDigit methods are members of this class.

a. String
b. Char
c. Character
d. StringBuilder

Expert Solution & Answer

Program Description Answer

Methods of the class:

The methods “isDigit”, “isLetter”and “isLetterOrDigit” are some of the members of the class “Character”.

Hence, the correct answer is option “C”.

Explanation of Solution

Character class:

A wrapper class that is used for the char data type is called as “Character” class.
It contains various method for testing and converting the data that is of character type.
The character is a part of “java.lang” package and it does not needed to be imported for using the class.
It contains various static methods for testing the value of the character variables.

Reason for the incorrect answers:

String:

The class is used to represent character of strings.

Hence, the option “A” is wrong.

Char:

“char” is considered as the data type but not the class.

Hence, the option “B” is wrong.

StringBuilder:

The class is used to create a changeable strings and it is similar to String objects.

Hence, the option “D” is wrong.

Want to see more full solutions like this?

Subscribe now to access step-by-step solutions to millions of textbook problems written by subject matter experts!

Answer 5

Textbook Question

Answer 6

Textbook Question

Answer 7

Expert Solution & Answer

Program Description Answer

Methods of the class:

The methods “isDigit”, “isLetter”and “isLetterOrDigit” are some of the members of the class “Character”.

Hence, the correct answer is option “C”.

Explanation of Solution

Character class:

A wrapper class that is used for the char data type is called as “Character” class.
It contains various method for testing and converting the data that is of character type.
The character is a part of “java.lang” package and it does not needed to be imported for using the class.
It contains various static methods for testing the value of the character variables.

Reason for the incorrect answers:

String:

The class is used to represent character of strings.

Hence, the option “A” is wrong.

Char:

“char” is considered as the data type but not the class.

Hence, the option “B” is wrong.

StringBuilder:

The class is used to create a changeable strings and it is similar to String objects.

Hence, the option “D” is wrong.

Answer 8

Expert Solution & Answer

Program Description Answer

Methods of the class:

The methods “isDigit”, “isLetter”and “isLetterOrDigit” are some of the members of the class “Character”.

Hence, the correct answer is option “C”.

Explanation of Solution

Character class:

A wrapper class that is used for the char data type is called as “Character” class.
It contains various method for testing and converting the data that is of character type.
The character is a part of “java.lang” package and it does not needed to be imported for using the class.
It contains various static methods for testing the value of the character variables.

Reason for the incorrect answers:

String:

The class is used to represent character of strings.

Hence, the option “A” is wrong.

Char:

“char” is considered as the data type but not the class.

Hence, the option “B” is wrong.

StringBuilder:

The class is used to create a changeable strings and it is similar to String objects.

Hence, the option “D” is wrong.

Answer 9

Expert Solution & Answer

Answer 10

Expert Solution & Answer

Answer 11

Program Description Answer

Methods of the class:

The methods “isDigit”, “isLetter”and “isLetterOrDigit” are some of the members of the class “Character”.

Hence, the correct answer is option “C”.

Answer 12

Explanation of Solution

Character class:

A wrapper class that is used for the char data type is called as “Character” class.
It contains various method for testing and converting the data that is of character type.
The character is a part of “java.lang” package and it does not needed to be imported for using the class.
It contains various static methods for testing the value of the character variables.

Reason for the incorrect answers:

String:

The class is used to represent character of strings.

Hence, the option “A” is wrong.

Char:

“char” is considered as the data type but not the class.

Hence, the option “B” is wrong.

StringBuilder:

The class is used to create a changeable strings and it is similar to String objects.

Hence, the option “D” is wrong.